/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
String.prototype.format = function(args) {
  let result = this;
  if (arguments.length < 1) {
    return result;
  }
  let data = arguments;
  if (arguments.length == 1 && typeof (args) == "object") {
    data = args;
  }
  for (let key in data) {
    let value = data[key];
    if (undefined != value) {
      result = result.replace("{" + key + "}", value);
    }
  }
  return result;
}
